/**
  * Initialization for Presentation
  * $Id$
  * $HeadURL$
  * $Author$
  */
#include "initialization.h"

#include "settings.h"
#include "dds_handler.h"
#include "handler_presentation.h"

#include <DDS/DDSConnector/dds_connector.h>
#include <ngldb/db_service_handler.h>
#include <memory>

namespace PresentationManagement
{

Initialization::Initialization(QObject *parent)
  : QObject(parent)
  , m_logger(getLogger("Initialization"))
{
  qsrand(time(nullptr));
}

Initialization::~Initialization()
{
  m_handlerPresentation = nullptr;
  m_dbHandler = nullptr;
  m_ddsHandler = nullptr;
}


bool Initialization::initialize(const std::shared_ptr<DDSConnector::DdsConnector> &ddsConnector, const QSqlDatabase &sqlDb)
{
  // initialize DDS
  m_ddsHandler = std::make_shared<DdsHandler>(ddsConnector);
  if (!m_ddsHandler->init())
    return false;

  // initialize database
  m_dbHandler = std::make_shared<DbHandler>();
  if (!m_dbHandler->init(ddsConnector->getPartitionId(), sqlDb))
    return false;

  // read project specific data from database
  // publish project specific data
  m_handlerPresentation = std::make_shared<HandlerPresentation>(this);
  return true;
}

bool Initialization::loadFromDatabase()
{
  if (!m_handlerPresentation->init())
    return false;

  return true;
}

std::shared_ptr<DatabaseInterface> Initialization::db() const
{
  return m_dbHandler->db();
}

int Initialization::exerciseId() const
{
  if (dds())
    return dds()->ddsConnector()->getPartitionId();
  return -1;
}

} // namespace PresentationManagement